1355050505531 has 8 divisors (see below), whose sum is σ = 1370298009600. Its totient is φ = 1339803495360.

The previous prime is 1355050505509. The next prime is 1355050505719.

1355050505531 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355050505531 - 2⁶ = 1355050505467 is a prime.

It is a super-2 number, since 2×1355050505531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355059505531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10645121 + ... + 10771661.

It is an arithmetic number, because the mean of its divisors is an integer number (171287251200).

Almost surely, 2^{1355050505531} is an apocalyptic number.

1355050505531 is a deficient number, since it is larger than the sum of its proper divisors (15247504069).

1355050505531 is a wasteful number, since it uses less digits than its factorization.

1355050505531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246949.

The product of its (nonzero) digits is 140625, while the sum is 38.

The spelling of 1355050505531 in words is "one trillion, three hundred fifty-five billion, fifty million, five hundred five thousand, five hundred thirty-one".